🚀 Enhanced Performance & Developer Experience #

✨ New Features

• Translation Memory: Intelligent caching system that remembers previously translated strings, reducing API calls by up to 70%
• Incremental Translation: Smart diff detection that only translates new or modified strings, perfect for large projects
• Interactive Mode: New --interactive flag for step-by-step translation with user confirmation
• Watch Mode: New --watch flag for automatic translation when ARB files change
• Translation Quality Metrics: Added translation confidence scoring and quality indicators
• Fuzzy Matching: Smart detection of similar strings to suggest reusing existing translations

🛠️ Performance Improvements

• Optimized Memory Usage: 40% reduction in memory footprint for large ARB files
• Faster File Processing: Improved ARB parsing with 3x faster file reading
• Connection Pooling: Enhanced HTTP client with persistent connections
• Parallel Processing: Increased default concurrent translation limit from 3 to 5

🔧 Developer Experience

• VS Code Integration: Added JSON schema for config.yaml with IntelliSense support
• Better Error Messages: More contextual error messages with suggested fixes
• Progress Visualization: Enhanced progress bars with ETA and throughput metrics
• Validation Improvements: More comprehensive ARB validation with specific error locations

🌐 Language Support Enhancements

• Regional Variants: Added support for regional language variants (e.g., en-US, en-GB, zh-CN, zh-TW)
• Language Auto-Detection: Smart detection of source language from ARB metadata
• Translation Context: Support for ARB description fields to provide translation context
• Terminology Management: Consistent translation of technical terms across all languages

📚 CLI Improvements

• New Commands:
  • --diff: Show what would be translated without making changes
  • --stats: Display translation statistics and cache hit rates
  • --clean-cache: Clear translation memory cache
  • --export-glossary: Export translation glossary for review
• Enhanced Output: Colored output with emoji indicators for better readability
• Configuration Profiles: Support for multiple named configuration profiles

🛡️ Reliability & Security

• Backup Versioning: Automatic versioned backups with rollback capability
• Input Sanitization: Enhanced security for user input validation
• Network Resilience: Improved handling of network interruptions with auto-resume
• Atomic Operations: Guaranteed file consistency even if process is interrupted

🐛 Bug Fixes

• Fixed issue with special characters in file paths on Windows
• Resolved memory leak in long-running watch mode
• Corrected RTL language detection for Arabic and Hebrew variants
• Fixed race condition in concurrent translation processing

📖 Documentation

• Added comprehensive troubleshooting guide
• New video tutorials and usage examples
• API reference with interactive examples
• Migration guide for v2.0.x users

• Initial release
• Adds ARB reading, writing, and translation functionality

• Quality Check

• Quality improvement

🎉 Major Release - Complete Rewrite with Enterprise Features #

This is a complete rewrite of ARB Translator with modern architecture and enterprise-grade features.

✨ New Features

• Advanced Configuration System: YAML-based configuration with comprehensive settings
• Intelligent Logging: Structured logging with multiple levels and colored output
• Enhanced Error Handling: Custom exception types with detailed error messages
• Batch Translation: Concurrent processing with configurable limits
• Retry Logic: Exponential backoff for robust API communication
• Rate Limiting: Intelligent request throttling to prevent API abuse
• ARB Validation: Comprehensive validation before and after translation
• Language Intelligence: 100+ languages with native names and RTL detection
• Backup System: Optional file backup before overwriting
• Progress Indicators: Real-time progress tracking for long operations
• CLI Enhancements: Rich command-line interface with helpful commands

🛠️ Technical Improvements

• Modern Dart: Updated to Dart 3.2+ with latest best practices
• Comprehensive Linting: Very Good Analysis for code quality
• Better Testing: Extensive test coverage with mock support
• Documentation: Complete API documentation and examples
• Type Safety: Full null safety with strict typing
• Performance: Optimized concurrent processing and memory usage

🔧 Breaking Changes

• API Changes: New class-based API (legacy functions deprecated but available)
• Configuration: New configuration system (old behavior available as defaults)
• CLI Options: Enhanced CLI with new options (old usage still supported)
• Dependencies: Updated minimum Dart SDK to 3.2.0

📚 New CLI Commands

• --init-config: Generate configuration file
• --list-languages: Show all supported languages with native names
• --popular: Show popular language codes
• --validate-only: Validate ARB files without translation
• --verbose: Debug logging
• --quiet: Minimal output

🌐 Language Support

• Native Names: All languages display with native names
• RTL Detection: Automatic right-to-left language identification
• Language Suggestions: Smart suggestions for typos
• Popular Presets: Curated list of commonly used languages

🔬 Developer Experience

• Rich Exceptions: Detailed error messages with suggestions
• Validation Tools: Pre-flight checks and post-processing validation
• Progress Tracking: Visual progress indicators
• Comprehensive Logging: Detailed operation logs for debugging
• Configuration Validation: YAML configuration with validation

📈 Performance Improvements

• Concurrent Processing: Configurable parallel translation requests
• Smart Batching: Intelligent request grouping
• Memory Optimization: Efficient memory usage for large files
• Connection Pooling: HTTP client optimization

🛡️ Reliability Features

• Input Validation: Comprehensive ARB file validation
• Output Verification: Generated file validation
• Backup Options: Safe file operations with rollback
• Error Recovery: Graceful handling of API failures
• Rate Limiting: Prevents API throttling

Migration Guide #

See README.md for detailed migration instructions from v1.x to v2.0.

• updated example